A better playground is not a small thing
What jumped out at me is how low the bar was for Anthropic to look good here, and how often incumbents still manage to miss it. A playground is not a marquee product. It’s the boring, everyday surface where developers paste prompts, poke models, compare outputs, and decide whether a provider feels pleasant or annoying. If Anthropic’s version really wins on cost visibility, exports, and error handling, that’s not cosmetic. That’s the kind of polish people notice within five minutes and then keep
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